JPH06508055A - 選択的に物質の像を形成するシステム - Google Patents
選択的に物質の像を形成するシステムInfo
- Publication number
- JPH06508055A JPH06508055A JP5519419A JP51941993A JPH06508055A JP H06508055 A JPH06508055 A JP H06508055A JP 5519419 A JP5519419 A JP 5519419A JP 51941993 A JP51941993 A JP 51941993A JP H06508055 A JPH06508055 A JP H06508055A
- Authority
- JP
- Japan
- Prior art keywords
- signal
- state
- ray
- detector
- during
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000000463 material Substances 0.000 title description 16
- 230000005855 radiation Effects 0.000 claims description 21
- 239000000126 substance Substances 0.000 claims description 14
- 230000003595 spectral effect Effects 0.000 claims description 3
- 230000002238 attenuated effect Effects 0.000 claims 1
- 238000010521 absorption reaction Methods 0.000 description 22
- 238000005259 measurement Methods 0.000 description 21
- 230000006870 function Effects 0.000 description 9
- 238000000034 method Methods 0.000 description 6
- 238000003384 imaging method Methods 0.000 description 5
- 238000001514 detection method Methods 0.000 description 4
- 210000000988 bone and bone Anatomy 0.000 description 3
- 230000007246 mechanism Effects 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 230000037182 bone density Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000009977 dual effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- 230000000630 rising effect Effects 0.000 description 2
- 210000001519 tissue Anatomy 0.000 description 2
- 208000020084 Bone disease Diseases 0.000 description 1
- 206010073306 Exposure to radiation Diseases 0.000 description 1
- 208000001132 Osteoporosis Diseases 0.000 description 1
- 238000011481 absorbance measurement Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000037180 bone health Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000002059 diagnostic imaging Methods 0.000 description 1
- 235000013367 dietary fats Nutrition 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 239000010520 ghee Substances 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 230000005622 photoelectricity Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B6/00—Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment
- A61B6/50—Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment specially adapted for specific body parts; specially adapted for specific clinical applications
- A61B6/505—Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment specially adapted for specific body parts; specially adapted for specific clinical applications for diagnosis of bone
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B6/00—Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment
- A61B6/40—Arrangements for generating radiation specially adapted for radiation diagnosis
- A61B6/4035—Arrangements for generating radiation specially adapted for radiation diagnosis the source being combined with a filter or grating
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B6/00—Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment
- A61B6/48—Diagnostic techniques
- A61B6/482—Diagnostic techniques involving multiple energy imaging
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05G—X-RAY TECHNIQUE
- H05G1/00—X-ray apparatus involving X-ray tubes; Circuits therefor
- H05G1/08—Electrical details
- H05G1/60—Circuit arrangements for obtaining a series of X-ray photographs or for X-ray cinematography
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Medical Informatics (AREA)
- Engineering & Computer Science (AREA)
- Radiology & Medical Imaging (AREA)
- Molecular Biology (AREA)
- Biophysics (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Optics & Photonics (AREA)
- Pathology (AREA)
- Physics & Mathematics (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- High Energy & Nuclear Physics (AREA)
- Surgery (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Dentistry (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Apparatus For Radiation Diagnosis (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US07/874,146 US5253282A (en) | 1992-04-27 | 1992-04-27 | System for selective material imaging |
| US07/874,146 | 1992-04-27 | ||
| PCT/US1993/003866 WO1993021826A1 (fr) | 1992-04-27 | 1993-04-23 | Systeme pour l'imagerie selective de materiaux |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH06508055A true JPH06508055A (ja) | 1994-09-14 |
Family
ID=25363080
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5519419A Pending JPH06508055A (ja) | 1992-04-27 | 1993-04-23 | 選択的に物質の像を形成するシステム |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US5253282A (fr) |
| EP (1) | EP0594840B1 (fr) |
| JP (1) | JPH06508055A (fr) |
| DE (1) | DE69319403T2 (fr) |
| WO (1) | WO1993021826A1 (fr) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003164448A (ja) * | 2001-11-08 | 2003-06-10 | Ge Medical Systems Global Technology Co Llc | 多重エネルギーｘ線イメージング技法 |
Families Citing this family (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5490196A (en) * | 1994-03-18 | 1996-02-06 | Metorex International Oy | Multi energy system for x-ray imaging applications |
| US5661774A (en) * | 1996-06-27 | 1997-08-26 | Analogic Corporation | Dual energy power supply |
| US5748704A (en) | 1997-03-10 | 1998-05-05 | Lunar Corporation | Peripheral bone densitometer |
| US5852647A (en) * | 1997-09-24 | 1998-12-22 | Schick Technologies | Method and apparatus for measuring bone density |
| US6510197B1 (en) | 2000-01-11 | 2003-01-21 | Alara, Inc. | Method and apparatus for osteoporosis screening |
| US6449334B1 (en) * | 2000-09-29 | 2002-09-10 | Lunar Corporation | Industrial inspection method and apparatus using dual energy x-ray attenuation |
| WO2002065915A1 (fr) * | 2001-02-23 | 2002-08-29 | Koninklijke Philips Electronics N.V. | Procede et e permettant de determiner la densite d'un volume dans un ensemble de donnees d'image |
| US6891918B2 (en) * | 2002-11-27 | 2005-05-10 | Ge Medical Systems Global Technology Company, Llc | Methods and apparatus for acquiring perfusion data |
| US6873680B2 (en) * | 2003-05-02 | 2005-03-29 | Siemens Westinghouse Power Corporation | Method and apparatus for detecting defects using digital radiography |
| US6987833B2 (en) * | 2003-10-16 | 2006-01-17 | General Electric Company | Methods and apparatus for identification and imaging of specific materials |
| US20050101970A1 (en) * | 2003-11-06 | 2005-05-12 | Rosenberg William S. | Functional image-guided placement of bone screws, path optimization and orthopedic surgery |
| DE102006014624B4 (de) * | 2006-03-29 | 2008-04-10 | Siemens Ag | Verfahren zur Aufnahme von Projektionsbildern |
| JP5087229B2 (ja) * | 2006-03-30 | 2012-12-05 | 富士フイルム株式会社 | 閉回路テレビカメラのレンズ絞り調整装置 |
| US7742568B2 (en) * | 2007-06-09 | 2010-06-22 | Spectrum San Diego, Inc. | Automobile scanning system |
| US7826587B1 (en) * | 2009-09-11 | 2010-11-02 | General Electric Company | System and method of fast kVp switching for dual energy CT |
| US8314394B1 (en) | 2009-11-04 | 2012-11-20 | Science Applications International Corporation | System and method for three-dimensional imaging using scattering from annihilation coincidence photons |
| US9044186B2 (en) | 2012-06-25 | 2015-06-02 | George W. Ma | Portable dual-energy radiographic X-ray perihpheral bone density and imaging systems and methods |
| DE102012211472A1 (de) * | 2012-07-03 | 2014-01-09 | Siemens Aktiengesellschaft | Verfahren zur Aufnahme von Röntgenbildern und Röntgeneinrichtung |
| KR20140092438A (ko) * | 2012-12-27 | 2014-07-24 | 삼성전자주식회사 | 엑스선 검출 패널, 엑스선 촬영 장치 및 엑스선 영상 생성 방법 |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2304427A1 (de) * | 1973-01-30 | 1974-08-08 | Siemens Ag | Roentgendiagnostikeinrichtung mit mitteln zur veraenderung der roentgenroehrenspannung |
| US3848130A (en) * | 1973-06-25 | 1974-11-12 | A Macovski | Selective material x-ray imaging system |
| US3965358A (en) * | 1974-12-06 | 1976-06-22 | Albert Macovski | Cross-sectional imaging system using a polychromatic x-ray source |
| US4029963A (en) * | 1976-07-30 | 1977-06-14 | The Board Of Trustees Of Leland Stanford Junior University | X-ray spectral decomposition imaging system |
| US4361901A (en) * | 1980-11-18 | 1982-11-30 | General Electric Company | Multiple voltage x-ray switching system |
| US4355331A (en) * | 1981-01-28 | 1982-10-19 | General Electric Company | X-ray image subtracting system |
| US4542459A (en) * | 1982-11-26 | 1985-09-17 | General Electric Company | Matched filter for x-ray hybrid subtraction |
| US4541106A (en) * | 1984-02-22 | 1985-09-10 | General Electric Company | Dual energy rapid switching imaging system |
| US5148455A (en) * | 1986-07-14 | 1992-09-15 | Hologic, Inc. | Bone densitometer |
| US4947414A (en) * | 1986-07-14 | 1990-08-07 | Hologic, Inc. | Bone densitometer |
| US5132995A (en) * | 1989-03-07 | 1992-07-21 | Hologic, Inc. | X-ray analysis apparatus |
-
1992
- 1992-04-27 US US07/874,146 patent/US5253282A/en not_active Expired - Lifetime
-
1993
- 1993-04-23 WO PCT/US1993/003866 patent/WO1993021826A1/fr active IP Right Grant
- 1993-04-23 DE DE69319403T patent/DE69319403T2/de not_active Expired - Fee Related
- 1993-04-23 EP EP93912350A patent/EP0594840B1/fr not_active Expired - Lifetime
- 1993-04-23 JP JP5519419A patent/JPH06508055A/ja active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003164448A (ja) * | 2001-11-08 | 2003-06-10 | Ge Medical Systems Global Technology Co Llc | 多重エネルギーｘ線イメージング技法 |
| JP4558268B2 (ja) * | 2001-11-08 | 2010-10-06 | ジーイー・メディカル・システムズ・グローバル・テクノロジー・カンパニー・エルエルシー | 多重エネルギーｘ線イメージング技法 |
Also Published As
| Publication number | Publication date |
|---|---|
| EP0594840B1 (fr) | 1998-07-01 |
| EP0594840A1 (fr) | 1994-05-04 |
| DE69319403D1 (de) | 1998-08-06 |
| US5253282A (en) | 1993-10-12 |
| WO1993021826A1 (fr) | 1993-11-11 |
| DE69319403T2 (de) | 1998-12-03 |
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